Airmen with the 68th Network Warfare Squadron monitor Air Force communications to analyze disclosures of critical information and perform data loss prevention at Joint Base San Antonio-Lackland, Texas, Oct. 25, 2018. (U.S. Air Force photo by J.M. Eddins Jr.) GSA, Air Force open bidding for $5.5B 2nd Generation IT contract GSA said it estimates spending of between $850 million and $1.1 billion on the contract annually. Mar 6, 2019 By Billy Mitchell